package com.dunmin.concurrency.atomic;

import com.dunmin.concurrency.annotation.ThreadSafe;
import lombok.extern.slf4j.Slf4j;

import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Semaphore;
import java.util.concurrent.atomic.AtomicReference;
import java.util.concurrent.atomic.LongAdder;

/**
 * Created by Administrator on 2018/4/24.
 */
@Slf4j
@ThreadSafe
public class AtomicExample4 {

    private static AtomicReference<Integer> count = new AtomicReference<>(0);

    public static void main(String[] args) {
        count.compareAndSet(0,2);// 2
        count.compareAndSet(0,1);// not execute
        count.compareAndSet(1,3);// not execute
        count.compareAndSet(2,4);// 4
        count.compareAndSet(3,5);// not execute
        log.info("count:{}" + count.get());


    }


}